transportation style: remove whitespace in color value (#1550)

Trivial fix for style validation failure with maplibre@3.0.1
2023-06-19 19:20:40 +02:00 · 2023-06-19 19:20:40 +02:00 · a548093e08
commit a548093e08
--- a/layers/transportation/style.json
+++ b/layers/transportation/style.json
@ -5607,7 +5607,7 @@
          "stops": [
            [
              8,
-              " #787878"
+              "#787878"
            ],
            [
              14,